Marantz SR 7002 Service Manual

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SerVi ce SR7002 IFNIN1BIN1SIU1B
Man Llal AV Surround Receiver

PSTOOZ IK1G
AV Surround Amplifier

TABLEOFCONTENTS

SECTION PAGE
1. TECHNICAL SPECIFICATIONS ............................................................................................ 1
2. TECHNICAL DESCRIPTION ................................................................................................ 5
3. POWER AMPLIFIER ADJUSTMENT ................................................................................... 11
4. SERVICE MODE .................................................................................................................. 12
5. SYSTEM ERROR ................................................................................................................. 14
6. DUAL BACKUP MEMORY ................................................................................................... 18
7. UPDATE FIRMWARE ........................................................................................................... 19
Mode 1: Update/Download MAIN CPU's software to internal Flash-ROM ..................... 20

Mode 2: Update/Download DSP's software to 32M Flash-ROM .................................... 25

Mode 3: Update/Download HDMI CPU's software to internal Flash-ROM ..................... 30

8. WIRING DIAGRAM ............................................................................................................. 35
9. BLOCK DIAGRAM ........................................................................................................ 39
10. SCHEMATIC DIAGRAM ...................................................................................................... 43
11. PARTS LOCATION .............................................................................................................. 75
12. EXPLODED VIEW AND PARTS LIST ................................................................................ 109
18. MICROPROCESSOR AND 10 DATA ................................................................................. 115
14. ELECTRICAL PARTS LIST ................................................................................................ 155
15. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE ............................. 223

Please use this service manual with referring tothe user guide ( D.F.U.) without fail.
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SR7002 / PS7002 213.51.:

MODIFICATION NOTICE.

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X0446V02DMIDG0910 Copyright 2009 D&M Holdings |nc.A|| rights reserved. Part no. 90M350W855030
WARNING: Violators will be prosecuted to the maximum extent possible. First Issue 2009.10

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MARANTZ DESIGN AND SERVICE

Using superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.
Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for
which it is famous.

Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent.

ORDERING PARTS :

Parts can be ordered either by mail or by FaX__ In both cases, the correct part number has to be specified.

The following information must be supplied to eliminate delays in processing your order:

1. Complete address

2. Complete part numbers and quantities required

3. Description of parts

4. Model number for which part is required

5. Way of shipment

6. Signature : any order form or FaX. must be signed, otherwise such part order will be considered as null and void.

* USA - * EUROPE ITRADING - * CANADA-
MARANTz AMERICA, INC D&M EUROPE B. v. D&M Canada Inc.
100 CORPORATE DRIVE P. 0. BOX 8744, BUILDING SILVERPOINT 57505 APPLE CREEK BLVD.
MAHWAH, NEW JERSEY 07430 BEEMDSTRAAT 11, 5653 MA EINDHOVEN MARKHAM, ONTARIO L3R 581
USA THE NETHERLANDS CANADA
PHONE : +31 . 40 . 2507844 PHONE : 005.415. 0202
FAX :+31 , 40 , 2507860 FAX : 005 .475 , 4150
7 JAPAN - KOREA
D&M Holdings Inc. $3503.01 794 -7~/ Rum-107:4 ya; D&M SALES AND MARKETING KOREA LTD.
D&M BUILDING, 2.1 NISSHINCHO, CHUNG JIN BID., #1001,
KAWASAKI-KU, KAWASAKI-SHI, 53-5. WONHYORO 3 CA. YONGSAN-GU,
KANACAWA. 210-8569 JAPAN its #1 T21M569 SEOUL, 140-110. KOREA
Wadllfidlllfifilllfizafim1 D&MI:JU PHONE : +82 , 2 , 323 , 2155
FAX :+82 , 2732372154

- CHINA

D&M SALES AND MARKETING SHANGHAI LTD.
ROOMSOS SHANGHAI AIRPORT CITY TERMINAL
NO.1600 NANJING (WEST) ROAD SHANGHAI,
CHINA. 200040

TEL :0217624875151

FAX : 021 - 6248 - 4434

NOTE ON SAFETY :

Symbol A Fire or electrical shock hazard. Only original parts should be used to replaced any part marked with symbol A.
Any other component substitution (other than original type), may increase risk of fire or electrical shock hazard.

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SHOCK, FIRE HAZARD SERVICE TEST :

CAUTION :After servicing this appliance and prior to returning to customer. measure the resistance between either primary
AC cord connector pins (with unit NOT connected to AC mains and its Power switch ON), and the face or Front Panel of
product and controls and chassis bottom.

Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied,
and verified before it is return to the user/customer.

Ref. UL Standard No. 60065.

In case of difficulties, do not hesitate tO contact the Technical
Department at above mentioned address.

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